凯夫拉与陶瓷复合结构抗侵彻性能数值仿真

doi:10.12382/bgxb.2022.0447

摘要/Abstract

摘要： 为研究凯夫拉-129(Kevlar-129)材料与氧化铝(Al₂O₃)陶瓷面板复合装甲结构对抗侵彻性能的影响，建立平头弹丸侵彻该复合装甲单元的有限元模型。在数值模拟侵彻过程中，通过改变侵彻体的速度与复合装甲的结构，得到不同速度下的侵彻体速度变化曲线，分析了不同速度侵彻体击穿复合装甲的靶后速度与复合结构对其动能的吸收能力。分析结果表明：Kevlar与Al₂O₃陶瓷的复合装甲结构可以更好地抵抗侵彻；Kevlar夹层的位置对抗侵彻能力有较大影响，可为今后轻质复合装甲板设计提供相关技术参考。

关键词: 氧化铝陶瓷, 抗侵彻性能, 复合装甲, 凯夫拉-129, 数值模拟

Abstract: To evaluate the effects of Kevlar-129 and alumina (Al₂O₃) ceramic composite armor on the anti-penetration performance, a flat-head projectile model penetrating the composite armored unit is established. During the numerical simulation of penetration, by changing the speed of the penetrator and structure of the composite armor, the speed change curve of the penetrator at different speeds is obtained. The speed of the penetrator after penetrating the composite armor at different speeds and the capacity of absorbing kinetic energy are analyzed. The results show that the composite structure combining Kevlar and Al₂O₃ ceramics can better resist penetration, and the position of the Kevlar interlayer has a great influence on the penetration resistance performance, which provides technical reference for the design of lightweight composite armor plates in the future.

Key words: aluminaceramic, anti-penetration, compositearmor, Kevlar-129, numericalsimulation

中图分类号:

TJ012.4

王晓东, 徐永杰, 董方栋, 王昊, 郑娜娜. 凯夫拉与陶瓷复合结构抗侵彻性能数值仿真[J]. 兵工学报, 2022, 43(9): 2360-2366.

WANG Xiaodong, XU Yongjie, DONG Fangdong, WANG Hao, ZHENG Nana. Numerical Simulation of Penetration Resistance of Kevlar and Ceramic Composite Structures[J]. Acta Armamentarii, 2022, 43(9): 2360-2366.

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